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Biotechnology Cutting of DNA MCQ Questions for Class 11 General

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01 Practice Topic Isolation of DNA 294 MCQs

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Question 121/592 Easy Biotechnology Processes of Recombinant DNA Technology Cutting of DNA Class 11 Level 47

Restriction digestion में reproducibility कैसे बढ़ती है?

How is reproducibility increased in restriction digestion?

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A. standard protocol और accurate records सेBy standard protocol and accurate records

Explanation

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Standard conditions और records same result पाने में मदद करते हैं। यह scientific reliability बढ़ाता है। / Standard conditions and records help obtain similar results. This increases scientific reliability.

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Question 122/592 Easy Biotechnology Processes of Recombinant DNA Technology Cutting of DNA Class 11 Level 47

Restriction digestion result को sequencing से क्यों confirm किया जा सकता है?

Why can a restriction digestion result be confirmed by sequencing?

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A. sequencing exact base order बताती हैSequencing tells the exact base order

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Restriction digest size pattern देता है पर exact sequence नहीं। Sequencing final confirmation दे सकती है। / Restriction digest gives size pattern but not exact sequence. Sequencing can give final confirmation.

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Question 123/592 Easy Biotechnology Processes of Recombinant DNA Technology Cutting of DNA Class 11 Level 47

Restriction digestion और PCR में मुख्य अंतर क्या है?

What is the main difference between restriction digestion and PCR?

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A. restriction digestion DNA काटता है और PCR DNA amplify करता हैRestriction digestion cuts DNA and PCR amplifies DNA

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Restriction enzyme DNA fragments बनाता है। PCR specific DNA region की copies बनाता है। / Restriction enzyme makes DNA fragments. PCR makes copies of a specific DNA region.

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Question 124/592 Easy Biotechnology Processes of Recombinant DNA Technology Cutting of DNA Class 11 Level 47

Restriction enzyme और exonuclease में basic अंतर क्या है?

What is the basic difference between restriction enzyme and exonuclease?

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A. restriction enzyme specific internal sites काटता है और exonuclease ends से हटाता हैRestriction enzyme cuts specific internal sites and exonuclease removes from ends

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Restriction endonucleases DNA के अंदर specific sites काटते हैं। Exonucleases ends से nucleotides हटाते हैं। / Restriction endonucleases cut specific internal sites in DNA. Exonucleases remove nucleotides from ends.

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Question 125/592 Easy Biotechnology Processes of Recombinant DNA Technology Cutting of DNA Class 11 Level 47

Endonuclease शब्द का अर्थ क्या है?

What does the term endonuclease mean?

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A. nucleic acid के अंदर cut करने वाला enzymeEnzyme that cuts inside nucleic acid

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Endonuclease nucleic acid chain के भीतर phosphodiester bonds काटता है। Restriction enzymes इसी group में आते हैं। / An endonuclease cuts phosphodiester bonds within a nucleic acid chain. Restriction enzymes belong to this group.

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Question 126/592 Easy Biotechnology Processes of Recombinant DNA Technology Cutting of DNA Class 11 Level 47

Restriction enzymes को किस biological role से खोजा गया था?

Restriction enzymes were discovered in relation to which biological role?

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A. bacterial defense against foreign DNA

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Bacteria restriction enzymes से foreign DNA को काट सकते हैं। यह natural defense mechanism है। / Bacteria can cut foreign DNA using restriction enzymes. This is a natural defense mechanism.

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Question 127/592 Easy Biotechnology Processes of Recombinant DNA Technology Cutting of DNA Class 11 Level 47

Host DNA methylation का natural purpose क्या हो सकता है?

What can be the natural purpose of host DNA methylation?

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A. host DNA को own restriction enzyme से बचानाProtecting host DNA from its own restriction enzyme

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Host DNA methylated होने पर restriction enzyme उसे नहीं काटता। Foreign unmethylated DNA काटा जा सकता है। / When host DNA is methylated the restriction enzyme does not cut it. Foreign unmethylated DNA can be cut.

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Question 128/592 Easy Biotechnology Processes of Recombinant DNA Technology Cutting of DNA Class 11 Level 47

Restriction enzyme name EcoRI में R किससे संबंधित है?

In the restriction enzyme name EcoRI what does R relate to?

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A. strain designation

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EcoRI नाम organism strain और order of discovery से जुड़ा है। ऐसे naming conventions exam में पूछे जा सकते हैं। / The name EcoRI is related to organism strain and order of discovery. Such naming conventions can be asked in exams.

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Question 129/592 Easy Biotechnology Processes of Recombinant DNA Technology Cutting of DNA Class 11 Level 47

Restriction enzyme नाम में Roman numeral क्या बताता है?

What does the Roman numeral in a restriction enzyme name indicate?

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A. discovery order in that strain

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EcoRI में I first identified enzyme को दिखाता है। Roman numeral discovery order बताता है। / In EcoRI I shows the first identified enzyme. The Roman numeral indicates discovery order.

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Question 130/592 Easy Biotechnology Processes of Recombinant DNA Technology Cutting of DNA Class 11 Level 47

Restriction enzyme naming में species source क्यों important है?

Why is species source important in restriction enzyme naming?

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A. enzyme के origin को बताने के लिएTo indicate the origin of enzyme

Explanation

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Restriction enzyme names often organism source से बनते हैं। यह naming system को systematic बनाता है। / Restriction enzyme names are often derived from organism source. This makes naming systematic.

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